Inside Out Library

Elements of geometry : containing the first six books of Euclid, with a supplement on the quadrature of the circle, and the geometry of solids : to which are added, Elements of plane and spherical geometry (1826)

Playfair, John, 1748-1819, Euclid · Philadelphia : Marot & Walter · leaf 216

An illustration from Elements of geometry : containing the first six books of Euclid, with a supplement on the quadrature of the circle, and the geometry of solids : to which are added, Elements of plane and spherical geometry, 1826, leaf 216
is the sine of the an2;le CBF.Let Cj3 be pioihiced till it meet the circle again in i; and it is alsomanifest, that AK is the tans^ent, and BE the secant, of the ancleAiil, or CBF, from Def. 6. 7. Cor. to Def. 4,5,6,7. The sine, versed^ine, tangent, and secant of anarch, which is the measure of any… … M D Let AC, MN be measures of the an- bgle ABC, according to Def. 1.;CD the sine, DA the versed sine. AE the tangent, and Bp] the se-cant of the arch AC, according to Def. 4, 5, 6,7; NO the sine, (JIVIthe versed sine, M P the tangent, and B P the secant of the arch MN,according to the same…

Euclid's Elements · Geometry · Trigonometry

Internet Archive · Public Domain Mark 1.0. Free to use for anything.

More pictures from Elements of geometry : containing the first six books of Euclid, with a supplement on the quadrature of the circle, and the geometry of solids : to which are added, Elements of plane and spherical geometry

More like this